🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.48 AU - 0.76 AU

Year: 315 Days

Day: 26.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,367,496 km

• M1: 496,964 km (0.029 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.54 AU - 0.72 AU

Year: 323 Days

Day: 41.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,367,496 km

• M1: 490,980 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 8.2

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.78 AU - 1.82 AU

Year: 1559 Days

Day: 13.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 28,367,496 km

• M1: 115,789 km (0.054 R)
• M2: 181,313 km (0.113 R)
• M3: 276,008 km (0.085 R)
• M4: 331,808 km (0.049 R)
• M5: 573,708 km (0.091 R)
• M6: 685,607 km (0.105 R)
• M7: 759,508 km (0.105 R)
• M8: 820,544 km (0.041 R)
• M9: 1,006,195 km (0.082 R)
• M10: 1,305,241 km (0.069 R)
• M11: 1,370,316 km (0.109 R)
• M12: 1,455,587 km (0.109 R)
• M13: 1,523,206 km (0.095 R)
• M14: 1,919,191 km (0.078 R)
• M15: 2,004,312 km (0.104 R)
• M16: 2,256,385 km (0.096 R)
• M17: 2,346,443 km (0.112 R)
• M18: 2,414,809 km (0.09 R)
• M19: 2,483,773 km (0.119 R)
• M20: 2,623,947 km (0.102 R)
• M21: 3,084,708 km (0.078 R)
• M22: 3,755,804 km (0.091 R)
• M23: 3,862,916 km (0.1 R)
• M24: 4,025,679 km (0.087 R)
• M25: 4,218,361 km (0.092 R)
• M26: 4,329,811 km (0.088 R)
• M27: 4,400,122 km (0.068 R)
• M28: 4,527,430 km (0.112 R)
• M29: 4,598,639 km (0.105 R)
• M30: 4,670,296 km (0.105 R)
• M31: 4,931,344 km (0.103 R)
• M32: 5,019,308 km (0.059 R)
• M33: 5,197,030 km (0.11 R)
• M34: 5,256,720 km (0.111 R)
• M35: 5,589,276 km (0.115 R)
• M36: 5,788,989 km (0.08 R)
• M37: 5,882,039 km (0.11 R)
• M38: 6,290,590 km (0.092 R)
• M39: 6,920,846 km (0.116 R)
• M40: 6,986,520 km (0.119 R)
• M41: 7,185,186 km (0.12 R)
• M42: 7,998,101 km (0.058 R)
• M43: 8,258,102 km (0.104 R)
• M44: 8,310,461 km (0.103 R)
• M45: 8,397,826 km (0.114 R)
• M46: 8,538,448 km (0.097 R)
• M47: 8,911,396 km (0.079 R)
• M48: 9,054,710 km (0.093 R)
• M49: 9,217,024 km (0.114 R)
• M50: 9,471,340 km (0.108 R)
• M51: 9,691,249 km (0.034 R)
• M52: 9,765,001 km (0.088 R)
• M53: 9,838,753 km (0.112 R)
• M54: 10,024,254 km (0.111 R)
• M55: 10,154,853 km (0.089 R)
• M56: 10,304,601 km (0.055 R)
• M57: 10,873,072 km (0.04 R)
• M58: 10,949,667 km (0.113 R)
• M59: 11,084,155 km (0.095 R)
• M60: 11,393,523 km (0.084 R)
• M61: 11,607,748 km (0.103 R)
• M62: 11,823,468 km (0.103 R)
• M63: 11,882,559 km (0.102 R)
• M64: 12,159,465 km (0.117 R)
• M65: 12,558,592 km (0.078 R)
• M66: 12,820,388 km (0.066 R)
• M67: 13,349,516 km (0.078 R)
• M68: 13,493,130 km (0.047 R)
• M69: 13,596,053 km (0.097 R)
• M70: 13,823,442 km (0.097 R)
• M71: 13,948,057 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 10.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.88 AU - 2.56 AU

Year: 2136 Days

Day: 5.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 28,367,496 km

• M1: 144,212 km (0.098 R)
• M2: 290,369 km (0.08 R)
• M3: 408,253 km (0.088 R)
• M4: 493,972 km (0.101 R)
• M5: 694,882 km (0.107 R)
• M6: 794,065 km (0.105 R)
• M7: 874,100 km (0.085 R)
• M8: 1,016,817 km (0.119 R)
• M9: 1,113,457 km (0.085 R)
• M10: 1,603,540 km (0.117 R)
• M11: 1,770,341 km (0.092 R)
• M12: 1,866,832 km (0.087 R)
• M13: 2,009,399 km (0.071 R)
• M14: 2,224,371 km (0.111 R)
• M15: 2,364,095 km (0.07 R)
• M16: 2,555,132 km (0.117 R)
• M17: 2,677,054 km (0.112 R)
• M18: 2,788,504 km (0.057 R)
• M19: 3,184,490 km (0.096 R)
• M20: 3,329,450 km (0.058 R)
• M21: 3,530,510 km (0.038 R)
• M22: 3,625,804 km (0.044 R)
• M23: 4,015,356 km (0.097 R)
• M24: 4,654,887 km (0.112 R)
• M25: 4,729,537 km (0.087 R)
• M26: 5,419,931 km (0.052 R)
• M27: 5,530,184 km (0.066 R)
• M28: 5,881,590 km (0.097 R)
• M29: 5,962,373 km (0.078 R)
• M30: 6,108,979 km (0.084 R)
• M31: 6,240,176 km (0.119 R)
• M32: 6,522,318 km (0.082 R)
• M33: 6,774,839 km (0.053 R)
• M34: 6,961,986 km (0.068 R)
• M35: 7,324,013 km (0.114 R)
• M36: 7,692,323 km (0.095 R)
• M37: 7,923,451 km (0.114 R)
• M38: 8,066,766 km (0.029 R)
• M39: 8,355,939 km (0.063 R)
• M40: 8,428,793 km (0.04 R)
• M41: 8,630,301 km (0.117 R)
• M42: 8,740,854 km (0.095 R)
• M43: 9,244,251 km (0.076 R)
• M44: 9,357,347 km (0.083 R)
• M45: 9,452,042 km (0.091 R)
• M46: 9,566,036 km (0.069 R)
• M47: 9,642,331 km (0.1 R)
• M48: 9,718,775 km (0.085 R)
• M49: 9,949,306 km (0.084 R)
• M50: 10,026,648 km (0.08 R)
• M51: 10,104,139 km (0.099 R)
• M52: 10,455,246 km (0.047 R)
• M53: 10,533,784 km (0.114 R)
• M54: 10,830,287 km (0.116 R)
• M55: 11,169,575 km (0.09 R)
• M56: 11,350,589 km (0.074 R)
• M57: 11,431,372 km (0.118 R)
• M58: 11,756,448 km (0.114 R)
• M59: 12,208,383 km (0.118 R)
• M60: 12,332,549 km (0.106 R)
• M61: 13,086,971 km (0.075 R)
• M62: 13,235,372 km (0.051 R)
• M63: 13,662,474 km (0.094 R)
• M64: 13,813,119 km (0.083 R)
• M65: 14,050,830 km (0.05 R)
• M66: 14,224,514 km (0.061 R)
• M67: 14,399,094 km (0.112 R)
• M68: 14,508,450 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.3

Radius: 9.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.87 AU - 4.69 AU

Year: 4745 Days

Day: 9.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 28,367,496 km

• M1: 117,734 km (0.119 R)
• M2: 178,919 km (0.088 R)
• M3: 272,567 km (0.093 R)
• M4: 376,388 km (0.11 R)
• M5: 449,691 km (0.074 R)
• M6: 528,679 km (0.09 R)
• M7: 587,172 km (0.046 R)
• M8: 684,261 km (0.078 R)
• M9: 946,655 km (0.105 R)
• M10: 1,095,206 km (0.105 R)
• M11: 1,599,351 km (0.055 R)
• M12: 1,843,345 km (0.094 R)
• M13: 2,030,941 km (0.101 R)
• M14: 2,338,364 km (0.074 R)
• M15: 3,059,875 km (0.026 R)
• M16: 3,202,442 km (0.119 R)
• M17: 3,445,089 km (0.12 R)
• M18: 3,693,871 km (0.079 R)
• M19: 4,034,505 km (0.081 R)
• M20: 4,121,421 km (0.067 R)
• M21: 4,226,289 km (0.062 R)
• M22: 4,439,018 km (0.105 R)
• M23: 4,510,675 km (0.117 R)
• M24: 4,655,187 km (0.116 R)
• M25: 4,874,946 km (0.074 R)
• M26: 5,286,490 km (0.118 R)
• M27: 5,964,467 km (0.117 R)
• M28: 6,063,501 km (0.102 R)
• M29: 6,445,125 km (0.105 R)
• M30: 7,147,487 km (0.068 R)
• M31: 7,636,223 km (0.109 R)
• M32: 7,873,934 km (0.104 R)
• M33: 8,400,818 km (0.077 R)
• M34: 9,350,316 km (0.086 R)
• M35: 9,488,843 km (0.117 R)
• M36: 10,143,783 km (0.085 R)
• M37: 10,309,836 km (0.068 R)
• M38: 10,596,466 km (0.064 R)
• M39: 10,934,408 km (0.098 R)
• M40: 11,645,446 km (0.081 R)
• M41: 11,944,044 km (0.032 R)
• M42: 12,803,932 km (0.066 R)
• M43: 12,983,450 km (0.044 R)
• M44: 14,396,102 km (0.031 R)
• M45: 14,823,952 km (0.062 R)
• M46: 15,337,522 km (0.053 R)
• M47: 15,473,656 km (0.073 R)
• M48: 16,660,864 km (0.09 R)
• M49: 17,934,391 km (0.07 R)
• M50: 18,020,410 km (0.067 R)
• M51: 18,829,884 km (0.102 R)
• M52: 19,297,826 km (0.115 R)
• M53: 19,474,202 km (0.113 R)
• M54: 19,710,267 km (0.116 R)
• M55: 19,887,990 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.1

Radius: 11.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.33 AU - 5.01 AU

Year: 5498 Days

Day: 13.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 28,367,496 km

• M1: 239,057 km (0.11 R)
• M2: 349,760 km (0.035 R)
• M3: 465,549 km (0.047 R)
• M4: 586,124 km (0.063 R)
• M5: 904,020 km (0.077 R)
• M6: 1,354,758 km (0.117 R)
• M7: 1,486,255 km (0.117 R)
• M8: 1,570,778 km (0.071 R)
• M9: 1,656,946 km (0.064 R)
• M10: 1,798,466 km (0.092 R)
• M11: 1,980,975 km (0.074 R)
• M12: 2,150,769 km (0.11 R)
• M13: 2,606,593 km (0.075 R)
• M14: 2,730,610 km (0.081 R)
• M15: 2,941,543 km (0.081 R)
• M16: 3,180,002 km (0.065 R)
• M17: 3,290,555 km (0.118 R)
• M18: 3,402,454 km (0.115 R)
• M19: 3,699,107 km (0.089 R)
• M20: 4,317,993 km (0.075 R)
• M21: 4,515,013 km (0.108 R)
• M22: 5,280,206 km (0.116 R)
• M23: 5,385,224 km (0.104 R)
• M24: 5,812,625 km (0.069 R)
• M25: 6,112,868 km (0.073 R)
• M26: 6,251,097 km (0.119 R)
• M27: 6,502,421 km (0.048 R)
• M28: 7,131,031 km (0.114 R)
• M29: 7,247,418 km (0.085 R)
• M30: 7,989,125 km (0.08 R)
• M31: 8,140,368 km (0.039 R)
• M32: 8,445,847 km (0.098 R)
• M33: 8,755,066 km (0.054 R)
• M34: 9,320,995 km (0.101 R)
• M35: 9,963,817 km (0.044 R)
• M36: 10,225,014 km (0.099 R)
• M37: 10,422,334 km (0.092 R)
• M38: 10,754,142 km (0.079 R)
• M39: 10,988,562 km (0.113 R)
• M40: 11,190,669 km (0.074 R)
• M41: 11,326,204 km (0.085 R)
• M42: 12,115,932 km (0.051 R)
• M43: 12,464,794 km (0.084 R)
• M44: 12,852,402 km (0.067 R)
• M45: 13,315,706 km (0.089 R)
• M46: 13,495,374 km (0.12 R)
• M47: 14,295,273 km (0.05 R)
• M48: 14,405,527 km (0.1 R)
• M49: 14,516,080 km (0.066 R)
• M50: 14,775,183 km (0.094 R)
• M51: 14,924,033 km (0.096 R)
• M52: 15,298,028 km (0.055 R)
• M53: 16,670,289 km (0.12 R)
• M54: 17,292,616 km (0.094 R)
• M55: 17,410,200 km (0.076 R)
• M56: 17,685,610 km (0.098 R)
• M57: 17,962,366 km (0.039 R)
• M58: 18,440,331 km (0.093 R)
• M59: 18,720,977 km (0.093 R)
• M60: 18,881,944 km (0.116 R)
• M61: 19,816,931 km (0.079 R)
• M62: 20,600,524 km (0.098 R)
• M63: 21,858,493 km (0.111 R)
• M64: 22,028,137 km (0.115 R)
• M65: 22,411,407 km (0.115 R)
• M66: 24,010,009 km (0.049 R)
• M67: 24,185,039 km (0.084 R)
• M68: 24,316,535 km (0.09 R)
• M69: 25,066,619 km (0.091 R)
• M70: 26,498,720 km (0.108 R)
• M71: 27,957,448 km (0.104 R)
• M72: 28,511,110 km (0.054 R)
• M73: 28,696,612 km (0.093 R)
• M74: 29,021,987 km (0.096 R)
• M75: 29,255,060 km (0.118 R)
• M76: 29,629,504 km (0.096 R)
• M77: 29,770,275 km (0.095 R)
• M78: 29,958,320 km (0.12 R)
• M79: 30,572,270 km (0.065 R)
• M80: 31,525,058 km (0.082 R)
• M81: 31,716,693 km (0.094 R)
• M82: 32,245,971 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 14.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.42 AU - 5.44 AU

Year: 6020 Days

Day: 6.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 28,367,496 km

• M1: 183,706 km (0.104 R)
• M2: 402,119 km (0.097 R)
• M3: 704,157 km (0.12 R)
• M4: 815,608 km (0.116 R)
• M5: 945,159 km (0.066 R)
• M6: 1,082,341 km (0.068 R)
• M7: 1,289,234 km (0.101 R)
• M8: 1,443,769 km (0.058 R)
• M9: 1,786,348 km (0.108 R)
• M10: 2,064,451 km (0.086 R)
• M11: 2,232,000 km (0.066 R)
• M12: 2,646,686 km (0.118 R)
• M13: 2,746,019 km (0.09 R)
• M14: 2,897,262 km (0.092 R)
• M15: 3,120,911 km (0.11 R)
• M16: 3,332,442 km (0.115 R)
• M17: 4,110,501 km (0.114 R)
• M18: 4,421,664 km (0.045 R)
• M19: 4,540,295 km (0.105 R)
• M20: 5,401,082 km (0.101 R)
• M21: 5,720,772 km (0.102 R)
• M22: 5,872,165 km (0.116 R)
• M23: 6,267,552 km (0.116 R)
• M24: 6,423,733 km (0.074 R)
• M25: 6,694,505 km (0.109 R)
• M26: 7,340,768 km (0.097 R)
• M27: 7,743,036 km (0.119 R)
• M28: 7,886,800 km (0.111 R)
• M29: 8,274,408 km (0.1 R)
• M30: 8,445,997 km (0.098 R)
• M31: 8,817,747 km (0.077 R)
• M32: 9,372,606 km (0.112 R)
• M33: 9,525,944 km (0.092 R)
• M34: 9,628,568 km (0.095 R)
• M35: 9,783,402 km (0.103 R)
• M36: 11,158,804 km (0.086 R)
• M37: 11,539,531 km (0.085 R)
• M38: 11,676,563 km (0.085 R)
• M39: 12,735,566 km (0.098 R)
• M40: 13,941,624 km (0.089 R)
• M41: 14,175,445 km (0.067 R)
• M42: 15,034,137 km (0.094 R)
• M43: 16,001,287 km (0.109 R)
• M44: 16,276,996 km (0.11 R)
• M45: 16,554,201 km (0.1 R)
• M46: 16,677,919 km (0.098 R)
• M47: 17,019,750 km (0.04 R)
• M48: 17,489,637 km (0.113 R)
• M49: 18,027,441 km (0.055 R)
• M50: 18,989,655 km (0.087 R)
• M51: 19,346,595 km (0.117 R)
• M52: 19,771,453 km (0.095 R)
• M53: 20,034,446 km (0.093 R)
• M54: 20,265,425 km (0.118 R)
• M55: 21,400,125 km (0.03 R)
• M56: 22,111,313 km (0.104 R)
• M57: 22,281,855 km (0.062 R)
• M58: 22,899,245 km (0.111 R)
• M59: 23,106,289 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.9

Radius: 11.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.03 AU - 4.89 AU

Year: 6082 Days

Day: 10.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 28,367,496 km

• M1: 202,556 km (0.103 R)
• M2: 760,256 km (0.038 R)
• M3: 1,037,910 km (0.069 R)
• M4: 1,147,116 km (0.059 R)
• M5: 1,246,150 km (0.092 R)
• M6: 1,407,716 km (0.094 R)
• M7: 1,801,458 km (0.061 R)
• M8: 1,917,994 km (0.058 R)
• M9: 2,158,697 km (0.114 R)
• M10: 2,336,719 km (0.115 R)
• M11: 2,765,017 km (0.086 R)
• M12: 2,959,046 km (0.09 R)
• M13: 3,157,562 km (0.089 R)
• M14: 3,631,040 km (0.1 R)
• M15: 3,887,001 km (0.096 R)
• M16: 4,082,975 km (0.098 R)
• M17: 4,215,369 km (0.076 R)
• M18: 4,575,750 km (0.05 R)
• M19: 4,736,568 km (0.104 R)
• M20: 4,946,154 km (0.12 R)
• M21: 5,087,524 km (0.056 R)
• M22: 5,617,550 km (0.051 R)
• M23: 5,740,519 km (0.102 R)
• M24: 6,343,399 km (0.097 R)
• M25: 6,600,557 km (0.051 R)
• M26: 7,285,117 km (0.072 R)
• M27: 7,392,528 km (0.116 R)
• M28: 7,745,131 km (0.081 R)
• M29: 8,047,767 km (0.091 R)
• M30: 9,094,354 km (0.095 R)
• M31: 9,268,186 km (0.116 R)
• M32: 9,589,523 km (0.03 R)
• M33: 11,065,605 km (0.118 R)
• M34: 11,313,339 km (0.08 R)
• M35: 11,562,868 km (0.057 R)
• M36: 12,099,326 km (0.113 R)
• M37: 12,322,526 km (0.104 R)
• M38: 12,450,732 km (0.117 R)
• M39: 12,547,222 km (0.097 R)
• M40: 12,870,354 km (0.071 R)
• M41: 12,967,891 km (0.099 R)
• M42: 13,492,082 km (0.11 R)
• M43: 13,889,863 km (0.097 R)
• M44: 14,023,304 km (0.099 R)
• M45: 14,358,703 km (0.087 R)
• M46: 15,140,352 km (0.086 R)
• M47: 15,935,913 km (0.054 R)
• M48: 16,075,638 km (0.034 R)
• M49: 16,958,265 km (0.111 R)
• M50: 17,065,228 km (0.072 R)
• M51: 17,531,374 km (0.096 R)
• M52: 18,329,778 km (0.05 R)
• M53: 19,325,801 km (0.062 R)
• M54: 19,661,798 km (0.06 R)
• M55: 20,719,305 km (0.07 R)
• M56: 20,833,747 km (0.043 R)
• M57: 21,408,951 km (0.101 R)
• M58: 21,640,529 km (0.08 R)
• M59: 21,834,108 km (0.055 R)
• M60: 22,222,913 km (0.095 R)
• M61: 22,928,716 km (0.064 R)
• M62: 23,165,679 km (0.109 R)
• M63: 23,363,747 km (0.12 R)
• M64: 23,721,734 km (0.095 R)
• M65: 24,483,188 km (0.074 R)
• M66: 24,968,333 km (0.067 R)
• M67: 25,866,070 km (0.081 R)
• M68: 26,112,608 km (0.116 R)
• M69: 26,236,325 km (0.091 R)
• M70: 26,318,753 km (0.072 R)
• M71: 27,441,336 km (0.111 R)
• M72: 27,945,181 km (0.067 R)
• M73: 28,071,741 km (0.111 R)
• M74: 28,367,496 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 19,528 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit